package com.cn.wanxi.util;

public class Tool {
    public static String arrayToString(Object[] a) {
        if (a == null)
            return "null";

        int iMax = a.length - 1;
        if (iMax == -1)
            return "";

        StringBuilder b = new StringBuilder();

        for (int i = 0; ; i++) {
            b.append(String.valueOf(a[i]));
            if (i == iMax)
                return b.append("").toString();
            b.append(",");
        }
    }
}
